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參數(shù)資料
| 型號： | AM79C874VC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP80 |
| 封裝： | 12 X 12 MM, PLASTIC, MO-136BAM, TQFP-80 |
| 文件頁數(shù)： | 31/60頁 |
| 文件大?。?/td> | 869K |
| 代理商： | AM79C874VC |
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Am79C874
31
P R E L I M I N A R Y
MII Management Status Register (Register 1)
Table 11.
MII Management Status Register (Register 1)
PHY Identifier 1 Register (Register 2)
Table 12.
PHY Identifier 1 Register (Register 2)
Reg
Bit
Name
Description
Read/
Write
Default
1
15
100BASE-T4
1 = 100BASE-T4 able.
0 = Not 100BASE-T4 able.
RO
0
1
14
100BASE-TX Full
Duplex
1 = 100BASE-TX Full Duplex.
0 = No 100BASE-TX Full Duplex ability.
RO
set by
TECH[2:0]
pins
1
13
100BASE-TX Half
Duplex
1 = 100BASE-TX Half Duplex.
0 = No TX half-duplex ability.
RO
set by
TECH[2:0]
pins
1
12
10BASE-T Full
Duplex
1 = 10BASE-T Full Duplex.
0 = No 10BASE-T Full Duplex ability.
RO
set by
TECH[2:0]
pins
1
11
10BASE-T Half
Duplex
1 = 10BASE-T Half Duplex.
0 = No 10BASE-T ability.
RO
set by
TECH[2:0]
pins
1
10:7
Reserved
Ignore when read.
RO
0
1
6
Management
Frame Preamble
Suppression
The device accepts management frames that do not have a
preamble after receiving a management frame with a 32-bit or
longer preamble.
RO
1
1
5
Auto-Negotiation
Complete
1 = Auto-Negotiation process completed. Registers 4, 5, and 6
are valid after this bit is set.
0 = Auto-Negotiation process not completed.
RO
0
1
4
Remote Fault
1 = Remote fault condition detected.
0 = No remote fault.
This bit will remain set until it is read via the management
interface.
RO/LH
0
1
3
Auto-Negotiation
Ability
1 = Able to perform Auto-Negotiation function; value is
determined by ANEGA pin.
0 = Unable to perform Auto-Negotiation function.
RO
set by
ANEGA pin
1
2
Link Status
1 = Link is established; however, if the NetPHY-1LP device link
fails, this bit will be cleared and remain cleared until Register 1
is read via management interface.
0 = link is down.
RO/LL
0
1
1
Jabber Detect
1 = Jabber condition detected.
0 = No Jabber condition detected.
RO/LH
0
1
0
Extended
Capability
1 = Extended register capable. This bit is tied permanently to
one.
RO
1
Reg
Name
Description
Read/
Write
Default
2
15
OUI
Composed of the 3rd through 18th bits of the Organizationally
Unique Identifier (OUI), respectively.
RO
0022(H)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C874VD | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
| AM79C874VF | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
| AM79C874VI | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP |
| AM79C874WW | 制造商:Advanced Micro Devices 功能描述:8" WAFER, DIE IN WAFER FORM, SINGLE PORT ETHERNET 10/100 - Trays |
| AM79C875 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:NetPHY⑩ 4LP Low Power Quad 10/100-TX/FX Ethernet Transceiver |
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